Refractory Technology Mcqs for Chemical

Q.  Which is a basic refractory ?

a. Fireclay
b. Silica
c. Chrome magnesite
d. None of these


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  Pyrometric cone equivalent (PCE) of a refractory is the measure of its_________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Addition of grog in fireclay brick during its manufacture is advantageous, because it results in_____________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Use of higher percentage of lime for bonding silica bricks, reduces their__________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Magnesite chrome refractories____________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  ‘Super refractories’ are made from pure____________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Skull is not formed on the carbon blocks in the hearth of a blast furnace, when it becomes cold, because of its_______________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Maximum safe working temperature for fireclay bricks is about __________ °C?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Which is the stable form of silica between 1470°C and the melting point 1713°C ?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Cold crushing strength of a refractory does not depend upon its ____________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Thoria__________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Chromite refractories are_____________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Vacuum steel degassing units are lined with__________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  With increasing alumina content, the fusion point of high alumina refractories__________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Walls, roofs & combustion chambers of annealing furnaces are made of ______________ bricks?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Cold crushing strength of ordinary fireclay brick is about 950 kg/cm2. On exposure to a temperature of about 1500°C, its crushing strength may come down to as low as ______________ kg/cm2?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Thoria is an expensive refractory material and is radioactive in nature. Thorium oxide is used in the manufacture of______________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  PCE value (Segar cone) of Superduty refractories is more than 33, which is equivalent to a temperature of ____________ °C?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Spray test determines the _____________ of refractories?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Fireclay refractories have __________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Dolomite bricks have good resistance to attack by_____________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts